Home / 2,820.15-3,890.57-1,701.14

Finding the Fourth Proportional to 2,820.15, 3,890.57 and 1,701.14

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Solution

The fourth proportional to 2,820.15, 3,890.57 and 1,701.14 is: 2,346.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.15 : 3,890.57 = 1,701.14 : x
  2. Step 2: Convert to fraction form
    2,820.15/3,890.57 = 1,701.14/x
  3. Step 3: Cross multiply
    2,820.15x = 3,890.57 × 1,701.14
  4. Step 4: Simplify right side
    2,820.15x = 6,618,376.29
  5. Step 5: Solve for x
    x = 6,618,376.29/2,820.15
  6. Step 6: Final answer
    x = 2,346.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.